Here you can see the “9 Purple Dots” and the “Color Changing Dots” illusion, wherein purple structures are perceived as purple exclusively at the point of fixation, while the surrounding dots transition towards a blue hue. As the viewing distance increases, a greater number of dots revert to a purple appearance, culminating in the pattern being perceived as uniformly purple.

Here you can see the “9 Purple Dots” and the “Color Changing Dots” illusion, wherein purple structures are perceived as purple exclusively at the point of fixation, while the surrounding dots transition towards a blue hue. As the viewing distance increases, a greater number of dots revert to a purple appearance, culminating in the pattern being perceived as uniformly purple.